Misc: Florence Nightingale tended the soldiers in which war?

Questions

Singularly speaking, where was George Michael in 1998?

Which German computer pop oldies came back in 2000 with Expo 2000?

A painting of the Madonna and Child was saved for the nation with a ?

going east/west at the equator or north/south through the poles?

In the phonetic alphabet what word represents the letter Z?